<template>
  <div>
    <el-button
        type="primary"
        icon="el-icon-upload2"
        size="mini"
        @click="upload.open = true"
    >
      <slot>导入</slot>
    </el-button>
    <el-dialog :title="title" :visible.sync="upload.open" width="400px" append-to-body>
      <el-upload
          ref="upload"
          :limit="1"
          accept=".xlsx, .xls"
          :headers="upload.headers"
          :action="upload.url"
          :disabled="upload.isUploading"
          :data="uploadData"
          :on-progress="handleFileUploadProgress"
          :on-success="handleFileSuccess"
          :auto-upload="false"
          drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <div class="el-upload__tip text-center" slot="tip">
          <div class="el-upload__tip" slot="tip">
            <el-checkbox v-model="upload.updateSupport"/>
            是否更新已经存在的用户数据
          </div>
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link v-if="!!downloadApi" type="primary" :underline="false"
                   style="font-size:12px;vertical-align: baseline;"
                   @click="importTemplate">下载模板
          </el-link>
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
  <!-- 用户导入对话框 -->
</template>
<script name="ImportExcel">

import {getToken} from "@/utils/auth";
import {parseTime} from "@/utils/ruoyi";

export default {
  props: {
    title: "",
    isUploading: false,
    downloadApi: "",
    uploadApi: '',
    data: {},
  },
  data() {
    return {
      upload: {
        // 是否显示弹出层
        open: false,
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: {Authorization: "Bearer " + getToken()},
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + this.uploadApi
      }
    }
  },
  computed: {
    uploadData() {
      return Object.assign({updateSupport: this.upload.updateSupport}, this.data)
    }
  },
  methods: {
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      this.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + "</div>", "导入结果", {dangerouslyUseHTMLString: true});
      this.getList();
    },
    /** 下载模板操作 */
    importTemplate() {
      this.download(this.downloadApi, {}, `${this.title}模板_${parseTime(new Date(), '{y}{m}{d} {h}:{i}')}.xlsx`)
    },
    submitFileForm() {
      this.$refs.upload.submit();
    }
  }
};


</script>
